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    • 1. 发明授权
    • Method of and apparatus for fine, very fine, and microfine comminution
of materials having brittle behavior
    • 用于精细,非常精细和微细粉碎具有脆性的材料的方法和装置
    • US5482217A
    • 1996-01-09
    • US140112
    • 1994-06-15
    • Klaus SchonertYork Reichardt
    • Klaus SchonertYork Reichardt
    • B02C1/00B02C19/00B02C9/04B02C23/08
    • B02C1/00B02C19/00
    • Brittle material (1) is ground batchwise as a bed of particles by compression between non-yielding hard surfaces at a pressure of at least 50 MPa. In order to reduce the energy requirement and machine expenditure needed for fine, superfine and microfine comminution, the bed of particles is subjected to repeated stressing by pistons (4) in different directions and at least in part successively. The stressing preferably is accomplished by groups of two opposed pistons (4), which are offset at an angle with respect to each other and which are rendered active one after the other. The stressing is repeated in another plane of the grinding chamber. Wet grinding is carried out in a closed grinding chamber from which the liquid expelled from the voids between the particles being ground can drain through at least one aperture of narrow cross section.
    • PCT No.PCT / EP92 / 00962 Sec。 371日期:1994年6月15日 102(e)日期1994年6月15日PCT提交1992年5月4日PCT公布。 WO92 / 19379 PCT公开号 日期:1992年11月12日。在至少50MPa的压力下,通过在非屈服硬表面之间的压缩将脆性材料(1)分批研磨成颗粒床。 为了减少精细,超细和微细粉碎所需的能量需求和机器消耗,颗粒床在不同方向上至少部分地依次受到活塞(4)的重复应力。 应力优选地通过两组相对的活塞(4)实现,所述两个相对的活塞(4)相对于彼此以一定角度偏移并且一个接一个地变得活动。 在研磨室的另一个平面上重复应力。 在密闭的研磨室中进行湿式研磨,从被研磨的颗粒之间的空隙排出的液体可以通过至少一个狭窄横截面的孔排出。
    • 4. 发明授权
    • Jigging method and apparatus for gravity separation in the fine and
finest particle size ranges
    • 在精细和最细粒度范围内的重力分离的夹紧方法和装置
    • US4772384A
    • 1988-09-20
    • US870129
    • 1986-06-03
    • Klaus SchonertRolf Gerstenberg
    • Klaus SchonertRolf Gerstenberg
    • B03B5/10B03B5/24B03B5/22
    • B03B5/10B03B5/24
    • In jigging for purposes of gravity separation of material to be concentrated the material is sorted into a heavy fraction which is withdrawn through a screen (2) and a light fraction withdrawn above the screen (2), by periodically passing flows from the bottom to the top through the feed material. If the material is predominantly of finer character, there will be a ragging (3) on the screen (2) composed of particles which are larger and usually also specifically heavier than those of the feed material. In this manner, however, the separation of feed material will be unsatisfactory in the fine particle size range having upper particle size limits between 300 .mu.m and 1 mm, particularly so if the particle size ratio of the material is rather broad. To obtain high-grade concentrates, and high yields at the same time, also in the fine particle size range mentioned and in the finest particle size range below the same, therefore, it is provided that, below the feed bed (5) a filter layer (4) is introduced which consists of particles having a density approximately the same as that of the heavy fraction and a size which is within the limits of from 1.2 to 2.5 times the upper particles size limit of the feed material, the height of the filter layer corresponding to at least twice the mean particle size of the filter layer particles, that, for jigging, the feed bed (5) first is stratified such that the finer particles of the specifically lighter material mainly are moved into the upper part of the feed bed (5), and that, during jigging, the periodic inflowing is effected or adjusted in frequency such that the filter layer will adopt a porosity of between 60% and 70% by the upward stroke and the stroke amplitude will range between 50% and 200% of the filter layer height. A jig for carrying out the method is disclosed as well.
    • 为了重力分离要浓缩的材料的目的,将材料分选成通过筛网(2)和通过从筛网(2)上方引出的轻馏分抽出的重馏分,通过周期性地将流动从底部传递到 顶部通过饲料。 如果材料主要是较细的特征,则屏幕(2)上会出现一个粗糙的(3),该颗粒由较大的颗粒组成,通常也比进料的重量更重。 然而,以这种方式,在上限粒径在300μm和1mm之间的细粒度范围内,进料的分离将不能令人满意,特别是如果材料的粒径比相当宽的话。 为了获得高级浓缩物,同时高收率,在所提及的细粒度范围和最低粒度范围以下,因此,在进料床(5)的下方设有过滤器 引入层(4),其由具有与重馏分大致相同的密度的颗粒和尺寸在进料的上部颗粒尺寸极限的1.2至2.5倍的范围内, 过滤层对应于过滤层颗粒的平均粒度的至少两倍,即,为了进行跳动,进料床(5)首先被分层,使得特别轻的材料的较细颗粒主要移动到 进料床(5),并且在跳动期间,周期性流入在频率上进行或调节,使得过滤层将通过向上冲程采用介于60%和70%之间的孔隙率,并且行程幅度将在50% 和 200%的过滤层高度。 还公开了用于执行该方法的夹具。
    • 5. 发明授权
    • Method of and an apparatus for the separation of paramagnetic particles
in the fine and finest particle size ranges in a high-intensity
magnetic field
    • 在高强度磁场中以精细和最细颗粒尺寸分离顺磁性颗粒的方法和装置
    • US4941969A
    • 1990-07-17
    • US146811
    • 1988-01-25
    • Klaus SchonertHans-Michael Fricke
    • Klaus SchonertHans-Michael Fricke
    • B03C1/035B03C1/30
    • B03C1/30B03C1/035
    • An apparatus and a method of effecting the separation of paramagnetic particles from non-paramagnetic particles in the fine and finest particle size ranges of approximately below 1 mm suspended in a fluid medium by the passage of the fluid medium through an apparatus having a separation channel suitable for containing a flow of the fluid medium flowing therethrough and which includes at least two exits suitable for separating the paramagnetic particle enriched fluid medium from the paramagnetic particles depleted fluid medium into two product streams, the separation channel defining the direction of the fluid medium flow being at least partially paralleledly oriented with respect to a magnetic induction member such that the magnetic flux exerted upon the paramagnetic particles within the fluid medium flow are repulsed from the induction member and entrained within the fluid medium to countereffect the effect of inertial forces or gravitational forces on the fluid flow, and separated from the non-paramagnetic particles within the fluid medium flow which succumb to the effect of the inertial forces of gravitational forces and are separated from the paramagnetic particles within the fluid medium flow. In a preferred embodiment of the invention, the induction members are oriented below their associated separation channels at right angles with respect to the lines of magnetic flux, and the separation channels are inclined with respect to the horizontal, so that gravitational forces acting upon the paramagnetic particles contained within the fluid medium are countereffected by the repulsive forces exerted on the same paramagnetic particles by the induction members.
    • PCT No.PCT / DE87 / 00128 Sec。 371日期:1988年1月25日 102(e)日期1988年1月25日PCT提交1987年3月25日PCT公布。 出版物WO87 / 05829 日期:1987年10月8日。一种在通过流体介质通过流体介质中悬浮在流体介质中的细小且最细颗粒尺寸范围内的非顺磁性颗粒分离顺磁颗粒的装置和方法 一种具有分离通道的装置,其适于容纳流过其中的流体介质流,并且包括至少两个适于将顺磁性颗粒富集的流体介质与顺磁性颗粒贫化流体介质分离成两个产物流的出口,分离通道限定 流体介质流的方向至少部分地平行地相对于磁感应构件定向,使得施加在流体介质流中的顺磁性颗粒上的磁通量从诱导构件中排斥并夹带在流体介质中以反映效应 对流体流动的惯性力或重力 并且与流体介质流中的非顺磁性颗粒分离,其中该流动介质流中的重力的惯性力的作用与流体介质流中的顺磁性颗粒分离。 在本发明的优选实施例中,感应构件相对于磁通线成直角定向在其相关联的分离通道下方,并且分离通道相对于水平面倾斜,使得作用于顺磁性的重力 包含在流体介质中的颗粒受到由感应构件施加在相同顺磁性颗粒上的排斥力的影响。
    • 6. 发明授权
    • Method of and an apparatus for finely dividing inelastic materials
    • 用于细分非弹性材料的方法和装置
    • US4359193A
    • 1982-11-16
    • US158467
    • 1980-06-11
    • Klaus Schonert
    • Klaus Schonert
    • B29B13/10B02C4/08
    • B29B13/10B02C19/0056
    • A method for the fine grinding of inelastic material, in particular polymers as polytetrafluoroethylene, polyethylene, polypropylene, polyamide, organic chemicals and plastic metals, and of materials which are transferred into a state of inelastic behavior before or during grinding by application of heat and/or application and conversion of mechanical energy into heat is disclosed wherein the material to be ground is first urged by compression loading into recesses which are formed in the working face of grinding tools applying the compression loading or pressed into cavities of a bulk of grinding bodies, e.g. balls, preferably after previously mixing the material to be ground with the grinding bodies, the recesses or cavities having a size in accordance with the fineness to be obtained. During or after this procedure residual material which still connects the so formed sub-particles is destroyed by movement of the sub-particles relative to each other. The sub-particles are removed from the recesses or cavities. Apparatuses for carrying out the method are described, among which is a two-roller press the working surface of at least one of its rollers is provided with the recesses the size(s) of which correspond(s) or is related to the size(s) of the sub-particles to be obtained. If a mixture of grinding bodies and material to be ground is to be compressed by a two-roller press the size of the recesses for the formation of compacts, is a multiple of the size of the grinding bodies and the material to be ground. A ram press or a screw or worm press can be used in connection with a mixture of grinding bodies and material to be ground.
    • 非弹性材料,特别是作为聚四氟乙烯,聚乙烯,聚丙烯,聚酰胺,有机化学品和塑料金属的聚合物的细磨的方法,以及在研磨之前或之后通过加热和/或转移至非弹性行为状态的材料, 或将机械能转化为热的方法,其中要被研磨的材料首先被压缩加载到形成在施加压缩载荷的研磨工具的工作面中或被压入大量研磨体的空腔中的凹部中, 例如 球,优选在预先将待磨碎的材料与研磨体混合之后,所述凹部或空腔的尺寸与要得到的细度一致。 在该过程中或之后,仍然连接如此形成的子颗粒的残留材料通过子颗粒相对于彼此的移动而被破坏。 子颗粒从凹部或空腔中移除。 描述了用于实施该方法的装置,其中是双辊压机,其至少一个辊的工作表面设置有尺寸对应于或与尺寸相关的凹部( s)的待分解颗粒。 研磨体和待研磨材料的混合物要通过双辊压机进行压缩,用于形成压块的凹槽的尺寸是研磨体和待研磨材料的尺寸的倍数。 冲击压力机或螺杆或蜗杆压力机可用于研磨体和待研磨材料的混合物。